Rabbi Chaim ben Attar (1696-1742) was born in Morocco, moved to Lovorno, Italy, where he briefly served as Rabbi before making Aliyah to the Holy Land, first settling in Acre, thence moving to Jerusalem. Or Hachayim is considered a classic commentary. The original text of this commentary is found in most editions of Mikraot Gedolot. Nonetheless, this translator is convinced that many portions of this commentary present difficulties for English speaking readers who do not experience similiar difficulties when perusing the Hebrew commentaries of Rashbam, Seforno, etc. It is this translator